Patent US2900934A successfully refreshed from Google Patents.
US2900934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination material doubler and seam opener
Assignee: Individual
•
Filing: 1955-04-20
•
Granted: 1959-08-25
•
Expires: 1975-04-20
Abstract
No abstract record available.
Inventors
- 👤 David N Judelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:04
CPC Classifications
D; D06; D06H; D06H5/00; D06H5/003; B; B65; B65H; B65H45/00; B65H45/02; B65H45/06; B65H45/08; B65H45/09; B65H2701/00; B65H2701/10; B65H2701/17; B65H2701/174; Y; Y10; Y10S; Y10S493/00; Y10S493/937
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1186906A
Cited
US1240924A
Cited
US1717120A
Cited
US1799132A
Cited
US1857735A
Cited
US1865945A
Cited
US2210925A
Cited
US2346765A
Cited
US2378234A
Cited
US2570695A
Cited
US2590699A
Cited
US2534686A
Cited
US2546527A
Cited
US2722415A
Cited
US2619057A
Cited
US2653536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |